Home / 27,695,815.30-38,220,343.71-15,137,123.63

Finding the Fourth Proportional to 27,695,815.30, 38,220,343.71 and 15,137,123.63

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Solution

The fourth proportional to 27,695,815.30, 38,220,343.71 and 15,137,123.63 is: 20,889,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,695,815.30 : 38,220,343.71 = 15,137,123.63 : x
  2. Step 2: Convert to fraction form
    27,695,815.30/38,220,343.71 = 15,137,123.63/x
  3. Step 3: Cross multiply
    27,695,815.30x = 38,220,343.71 × 15,137,123.63
  4. Step 4: Simplify right side
    27,695,815.30x = 578,546,067,652,575.50
  5. Step 5: Solve for x
    x = 578,546,067,652,575.50/27,695,815.30
  6. Step 6: Final answer
    x = 20,889,295.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.